___does he watch tv?_Eveny evening.A.when B.what C.how often D.how long

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___doeshewatchtv?_Evenyevening.A.whenB.whatC.howoftenD.howlong___doeshewatchtv?_Evenyevening.A.whenB

___does he watch tv?_Eveny evening.A.when B.what C.how often D.how long
___does he watch tv?_Eveny evening.A.when B.what C.how often D.how long

___does he watch tv?_Eveny evening.A.when B.what C.how often D.how long
C.
对次数提问,有两种,
1.how often
2.how many times
how long有以下两个主要意思:
1.表示多长时间,主要用来对一段时间(如three days,four weeks 等)提问.如:
A:How long did he stay here?他在这儿呆了多久?
B:About two weeks.大约两个星期.
A:How long does it take to get to London from here?从这里到伦敦要多长时间?
B:At least ten hours.至少要10个小时.
2.表示某东西有多长.如:
A:How long is the river?这条河有多长?
B:About 500 km.大约500千米.
二、how often的用法
how often 指每隔多久,主要用来对频度副词或状语(如:once a week,three times a month 等)提问.如:
A:How often does he come here?他(每隔)多久来一次?
B:Once a month.每月一次.
A:How often do you visit your mother?你多长时间看你妈妈一次?
B:Once a week.一周一次
how long 是对时间多久的提问.